ROUTES OF EXPOSURE:The substance can be absorbed into the body by inhalation.

INHALATION RISK:A harmful concentration of this gas in the air will be reached very quickly on loss of containment.

EFFECTS OF SHORT-TERM EXPOSURE:The substance irritates strongly the eyes and the respiratory tract. Inhalation of the gas may cause lung oedema (see Notes). Rapid evaporation of the liquid may cause frostbite. The substance may cause effects on the respiratory tract , resulting in asthma-like reactions, reflex spasm of the larynx and respiratory arrest. Exposure may result in death. The effects may be delayed. Medical observation is indicated.

EFFECTS OF LONG-TERM OR REPEATED EXPOSURE:Repeated or prolonged inhalation exposure may cause asthma.